| Name | UsGovernmentAgencyInsuredLoansMember |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| US Government Agency Insured Loans [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Guarantee by US government agencies, including but not limited to, Government National Mortgage Association (GNMA) and Department of Veterans Affairs (VA) for government insured loans. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| PublishDate | 2019-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Source | Taxonomy Implementation Guide | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Financing Receivable and Current Expected Credit Loss Disclosures | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| pdfURI | https://www.fasb.org/finreceivableandcurrentexpectedloss_2020 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| PublishDate | 2020-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Source | Taxonomy Implementation Guide | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Dimensional Modeling for Financing Receivable Disclosures | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| pdfURI | https://www.fasb.org/financingreceivables_2016 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:LoansInsuredOrGuaranteedByUsGovernmentAuthoritiesMember | parent-child | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers | |
us-gaap:LoansInsuredOrGuaranteedByUsGovernmentAuthoritiesMember | domain-member | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable | |
us-gaap:LoansInsuredOrGuaranteedByUsGovernmentAuthoritiesMember | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:LoansInsuredOrGuaranteedByUsGovernmentAuthoritiesMember | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable |